Earth Science Essentials: Layers, Rocks, and Minerals

What is the outermost layer of the Earth called?

• Mantle

• Core

• Crust

• Lithosphere

Select two characteristics of the crust.

• thinnest layer

• thickest layer

• density = 2.4-3.2 g/cm3

• has convection currents

Select two characteristics of the mantle.

• thinnest layer

• thickest layer

• density = 2.4-3.2 g/cm3

• has convection currents

Select the characteristic that is not used for the core

• thickest

• made of iron and nickel

• solid inner

• liquid outer

What layer has a density of 2.4-3.0 g/cm3, is solid, and the outer most?

• Mantle

• Core

• Crust

• Lithosphere

What is the temperature at 1000 KM

• 3000 C

• 4000 C

• 5000 C

• 6500 C

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS2-3

What is the temperature at 3000 KM

• 3000 C

• 4000 C

• 5000 C

• 6500 C

Tags

NGSS.MS-PS3-4

What is the depth when rocks melt at 6000 C in the outer core

• 4500 KM

• 1000 KM

• 6000 KM

• 3000 KM

Tags

NGSS.MS-PS1-4

Which type of rock is formed by the cooling and solidification of magma or lava?

• Sedimentary

• Metamorphic

• Igneous

• Crystal

Which layer of the Earth is composed mostly of iron and nickel?

• Crust

• Mantle

• Inner Core

• Outer Core